<!-- 我的购物车页面组件
 -->

<template>
  <div class="shoppingCart">
    <!-- 购物车头部 -->
    <div class="cart-header">
      <div class="cart-header-content">
        <p>
          <i class="el-icon-shopping-cart-full" style="color:#ff6700; font-weight: 600;"></i>
          我的购物车
        </p>
        <span>温馨提示：产品是否购买成功，以最终下单为准哦，请尽快结算</span>
      </div>
    </div>
    <!-- 购物车头部END -->

    <!-- 购物车主要内容区 -->
    <div class="content" v-if="shoppingCart.length>0">
      <ul>
        <!-- 购物车表头 -->
        <li class="header">
          <div class="pro-check">
            <el-checkbox v-model="isAllCheck"  @change="changeCheck">全选</el-checkbox>
          </div>
          <div class="pro-img"></div>
          <div class="pro-name">商品名称</div>
          <div class="pro-price">单价</div>
          <div class="pro-num">数量</div>
          <div class="pro-total">小计</div>
          <div class="pro-action">操作</div>
        </li>
        <!-- 购物车表头END -->

        <!-- 购物车列表 -->
         <li class="product-list" v-for="(item, index) in shoppingCart" :key="item.id">
          <div class="pro-check">
            <el-checkbox :value="item.check" @change="handelCheck(item.id)">
            </el-checkbox>
          </div>
          <div class="pro-img">
            <router-link :to="{ path: '/details', query: { id: item.spuid } }">
              <img :src="item.skuImg" />
            </router-link>
          </div>
          <div class="pro-name">
            {{ item.skuName }}
            <!-- <router-link>{{item.productName}}</router-link> -->
          </div>
          <div class="pro-price">{{ item.price }}元</div>
          <div class="pro-num">
            <el-input-number
              size="small"
              v-model="item.count"
              @change="handleChange($event, index, item.id)"
              :min="1"
            ></el-input-number>
          </div>
          <div class="pro-total pro-total-in">{{ item.price * item.count }}元</div>
          <div class="pro-action">
            <el-popover placement="right">
              <p>确定删除吗？</p>
              <div style="text-align: right; margin: 10px 0 0">
                <el-button type="primary" size="mini" @click="deleteCart(item.id)"
                  >确定</el-button
                >
              </div>
              <i class="el-icon-error" slot="reference" style="font-size: 18px"></i>
            </el-popover>
          </div>
        </li>
        <!-- 购物车列表END -->
      </ul>
      <div style="height:20px;background-color: #f5f5f5"></div>
      <!-- 购物车底部导航条 -->
      <div class="cart-bar">
        <div class="cart-bar-left">
          <span>
            <router-link to="/goods">继续购物</router-link>
          </span>
          <span class="sep">|</span>
          <span class="cart-total">
            共
            <span class="cart-total-num">{{this.$store.getters.getShopcarNumber}}</span> 件商品，已选择
            <span class="cart-total-num">{{totalNum}}</span> 件
          </span>
        </div>
        <div class="cart-bar-right">
          <span>
            <span class="total-price-title">合计：</span>
            <span class="total-price">{{totalPrice}}元</span>
          </span>
          <!-- <router-link :to="totalNum > 0 ? '/confirmOrder' : ''"> -->
            <div :class="totalNum > 0 ? 'btn-primary' : 'btn-primary-disabled'" @click="buy">去结算</div>
          <!-- </router-link> -->
        </div>
      </div>
      <!-- 购物车底部导航条END -->
    </div>
    <!-- 购物车主要内容区END -->

    <!-- 购物车为空的时候显示的内容 -->
    <div v-else class="cart-empty">
      <div class="empty">
        <h2>您的购物车还是空的！</h2>
        <p>快去购物吧！</p>
      </div>
    </div>
    <!-- 购物车为空的时候显示的内容END -->
  </div>
</template>
<script>
import { mapActions } from "vuex";
// import { mapGetters } from "vuex";
import cookie from "js-cookie";

export default {
  data() {
    return {
      isAllCheck: true,
      // 共多少商品
      cartGoodsNumber:'',
      // 总价格
      totalNum: 0,
      // 总数量
      totalPrice: 0,
      shoppingCart: [],
      buyGoodsList: [],
    };
  },
  created() {
    this.getShoppingCart();
    this.isAllCheck = true;
    // this.cartGoodsNumber = JSON.parse(cookie.get("shopcarNumber"));
  },
  activated(){
    this.getShoppingCart();
    this.isAllCheck = true;
  },
  methods: {
     ...mapActions(["setShopcarNumber"]),
     async getShoppingCart() {
      const { data: res } = await this.$http.get("/xuanmall/cart/list");
      if (res.code !== 0) return this.$message.error("购物车列表获取失败");
      console.log("gouwuche", res);
      // this.$store.dispatch("setShopcarNumber", res.cartVOS.length);
      this.setShopcarNumber(res.cartVOS.length)
      cookie.set("shopcarNumber", res.cartVOS.length, { domain: "localhost" });
      this.shoppingCart = [];
      res.cartVOS.forEach((item) => {
        var data = {};
        (data.skuid = item.skuid),
          (data.id = item.id),
          (data.skuName = item.skuName),
          (data.skuImg = item.skuImg),
          (data.stockCount = item.stockCount),
          (data.price = item.price),
          (data.count = item.count);
        (data.spuid = item.spuid), (data.userid = item.userid);
        data.check = true;
        this.shoppingCart.push(data);
      });
      // console.log(this.shoppingCart);
      this.setCarInfo(this.shoppingCart);
    },
    // 复选框
    handelCheck(id) {
      // console.log(id);
      this.shoppingCart.forEach((item) => {
        if (item.id === id) {
          item.check = !item.check;
        }
      });
      // console.log("sssssss", this.shoppingCart);
      this.setCarInfo(this.shoppingCart);
    },
    // 全选功能
    changeCheck(val) {
      // console.log(this.shoppingCart);
      this.shoppingCart.forEach((item) => {
        item.check = val;
      });
      this.setCarInfo(this.shoppingCart);
    },
    // 设置购物车状态
    setCarInfo(cartInfo) {
      this.isAllCheck = true;
      this.totalNum = 0;
      this.totalPrice = 0;
      cartInfo.forEach((item) => {
        if (item.check) {
          this.totalPrice += item.price * item.count;
          this.totalNum += 1;
        } else {
          this.isAllCheck = false;
        }
      });
      // cookie.set("shopingCart", JSON.stringify(this.shoppingCart), {
      //   domain: "localhost",
      // });
      // console.log("cxcx", JSON.parse(cookie.get("shopingCart")));
    },
    // 修改商品数量的时候调用该函数
    handleChange(currentValue, key) {
      // 当修改数量时，默认勾选
      this.shoppingCart[key].check = true;
      if(this.shoppingCart[key].count <= this.shoppingCart[key].stockCount){
      // this.updateShoppingCart({ key: key, prop: "check", val: true });
      // console.log("skud", currentValue, key);
      // 向后端发起更新购物车的数据库信息请求
      this.$http
        .post("/xuanmall/cart/update", 
          {
            id: this.shoppingCart[key].id,
            count: this.shoppingCart[key].count,
          },
        )
        .then((res) => {
          // console.log("数量更新", res);
          if (res.data.code !== 0) return this.$message.error("数量更新失败");
          // this.getShoppingCart();
          this.setCarInfo(this.shoppingCart);
        });
        }
        else{
          this.$message.error("该商品库存不足")
        }
    },
    // 删除购物车
    async deleteCart(id) {
      // console.log("shanchu", id);
      const { data: res } = await this.$http.post("/xuanmall/cart/delete", [id]);
      console.log(res);
      if (res.code !== 0) this.$message.error("删除失败");
      this.$message.success("删除成功");
      this.getShoppingCart();
    },
    // 去结算
    buy() {
      if (this.totalNum <= 0) {
        return this.$message.error("请先选择购买的商品");
      }
      this.buyGoodsList=[]
      //获取选中的商品
      this.shoppingCart.forEach((item) => {
        if (item.check) {
          this.buyGoodsList.push(item);
        }
      });
      // console.log("DD", this.buyGoodsList);
      this.$store.dispatch("setBuyGoodsList", this.buyGoodsList);
      this.$store.dispatch("setTotalPrice", this.totalPrice);
      this.$router.push({ path: "/confirmOrder" });
    },
  },
  
};
</script>
<style scoped>
.shoppingCart {
  background-color: #f5f5f5;
  padding-bottom: 20px;
}
/* 购物车头部CSS */
.shoppingCart .cart-header {
  height: 64px;
  border-bottom: 2px solid #ff6700;
  background-color: #fff;
  margin-bottom: 20px;
}
.shoppingCart .cart-header .cart-header-content {
  width: 1225px;
  margin: 0 auto;
}
.shoppingCart .cart-header p {
  font-size: 28px;
  line-height: 58px;
  float: left;
  font-weight: normal;
  color: #424242;
}
.shoppingCart .cart-header span {
  color: #757575;
  font-size: 12px;
  float: left;
  height: 20px;
  line-height: 20px;
  margin-top: 30px;
  margin-left: 15px;
}
/* 购物车头部CSS END */

/* 购物车主要内容区CSS */
.shoppingCart .content {
  width: 1225px;
  margin: 0 auto;
  background-color: #fff;
}

.shoppingCart .content ul {
  background-color: #fff;
  color: #424242;
  line-height: 85px;
}
/* 购物车表头及CSS */
.shoppingCart .content ul .header {
  height: 85px;
  padding-right: 26px;
  color: #424242;
}
.shoppingCart .content ul .product-list {
  height: 85px;
  padding: 15px 26px 15px 0;
  border-top: 1px solid #e0e0e0;
}
.shoppingCart .content ul .pro-check {
  float: left;
  height: 85px;
  width: 110px;
}
.shoppingCart .content ul .pro-check .el-checkbox {
  font-size: 16px;
  margin-left: 24px;
}
.shoppingCart .content ul .pro-img {
  float: left;
  height: 85px;
  width: 120px;
}
.shoppingCart .content ul .pro-img img {
  height: 80px;
  width: 80px;
}
.shoppingCart .content ul .pro-name {
  float: left;
  width: 380px;
}
.shoppingCart .content ul .pro-name a {
  color: #424242;
}
.shoppingCart .content ul .pro-name a:hover {
  color: #ff6700;
}
.shoppingCart .content ul .pro-price {
  float: left;
  width: 140px;
  padding-right: 18px;
  text-align: center;
}
.shoppingCart .content ul .pro-num {
  float: left;
  width: 150px;
  text-align: center;
}
.shoppingCart .content ul .pro-total {
  float: left;
  width: 120px;
  padding-right: 81px;
  text-align: right;
}
.shoppingCart .content ul .pro-total-in {
  color: #ff6700;
}
.shoppingCart .content ul .pro-action {
  float: left;
  width: 80px;
  text-align: center;
}
.shoppingCart .content ul .pro-action i:hover {
  color: #ff6700;
}
/* 购物车表头及CSS END */

/* 购物车底部导航条CSS */
.shoppingCart .cart-bar {
  width: 1225px;
  height: 50px;
  line-height: 50px;
  background-color: #fff;
}
.shoppingCart .cart-bar .cart-bar-left {
  float: left;
}
.shoppingCart .cart-bar .cart-bar-left a {
  line-height: 50px;
  margin-left: 32px;
  color: #757575;
}
.shoppingCart .cart-bar .cart-bar-left a:hover {
  color: #ff6700;
}
.shoppingCart .cart-bar .cart-bar-left .sep {
  color: #eee;
  margin: 0 20px;
}
.shoppingCart .cart-bar .cart-bar-left .cart-total {
  color: #757575;
}
.shoppingCart .cart-bar .cart-bar-left .cart-total-num {
  color: #ff6700;
}
.shoppingCart .cart-bar .cart-bar-right {
  float: right;
}
.shoppingCart .cart-bar .cart-bar-right .total-price-title {
  color: #ff6700;
  font-size: 14px;
}
.shoppingCart .cart-bar .cart-bar-right .total-price {
  color: #ff6700;
  font-size: 30px;
}
.shoppingCart .cart-bar .cart-bar-right .btn-primary {
  float: right;
  width: 200px;
  text-align: center;
  font-size: 18px;
  margin-left: 50px;
  background: #ff6700;
  color: #fff;
  cursor: pointer;
}
.shoppingCart .cart-bar .cart-bar-right .btn-primary-disabled {
  float: right;
  width: 200px;
  text-align: center;
  font-size: 18px;
  margin-left: 50px;
  background: #e0e0e0;
  color: #b0b0b0;
}
.shoppingCart .cart-bar .cart-bar-right .btn-primary:hover {
  background-color: #f25807;
}
/* 购物车底部导航条CSS END */
/* 购物车主要内容区CSS END */

/* 购物车为空的时候显示的内容CSS */
.shoppingCart .cart-empty {
  width: 1225px;
  margin: 0 auto;
}
.shoppingCart .cart-empty .empty {
  height: 300px;
  padding: 0 0 130px 558px;
  margin: 65px 0 0;
  background: url(../assets/imgs/cart-empty.png) no-repeat 124px 0;
  color: #b0b0b0;
  overflow: hidden;
}

.shoppingCart .cart-empty .empty h2 {
  margin: 70px 0 15px;
  font-size: 36px;
}
.shoppingCart .cart-empty .empty p {
  margin: 0 0 20px;
  font-size: 20px;
}
/* 购物车为空的时候显示的内容CSS END */
</style>